package thread;

class MyRunnable implements Runnable {
    @Override
    public void run() {
       while(true){
           System.out.println("hello world");
           try {
               Thread.sleep(1000);
           } catch (InterruptedException e) {
               e.printStackTrace();
           }
       }
    }
}
public class Demo2 {
    public static void main(String[] args) throws InterruptedException {
        Runnable runnable = new MyRunnable();
        Thread t = new Thread(runnable);
        t.start();
        while(true){
            System.out.println("hello main");
            Thread.sleep(1000);
        }
    }
}
